Mining ground fracture monitoring device
By designing a protective shell and a portable handle, the problems of inconvenient disassembly and multi-area monitoring of existing mining-induced ground fissure monitoring devices have been solved, enabling flexible disassembly and multi-area monitoring, and improving the convenience of outdoor use and the stability of monitoring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAANXI COAL IND GRP SHENMU NINGTIAOTA MINING CO LTD
- Filing Date
- 2025-08-11
- Publication Date
- 2026-05-26
AI Technical Summary
Existing mining-induced ground fissure monitoring devices are not convenient for flexible disassembly and pre-installation, and are not suitable for multi-area monitoring, making them inconvenient for outdoor use.
A device comprising a protective housing, a crack monitor, wiring terminals, a crack probe, and a remote control module was designed. Through a structure including a portable handle, shock-absorbing springs, connecting strips, and fixing bolts, the device can be easily disassembled and assembled, and can monitor multiple areas.
It enables flexible installation and disassembly of the device and multi-area monitoring, improving the convenience of outdoor use and the stability of monitoring, and is suitable for remote control and protection functions.
Smart Images

Figure CN224285975U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of monitoring mining-induced ground fissures, specifically a mining-induced ground fissure monitoring device. Background Technology
[0002] One of the most direct manifestations of surface damage caused by coal mining is mining-induced ground fissures. Related studies have shown that mining-induced ground fissures in working faces are prone to inducing additional mining accidents and also have a significant negative impact on the land's ecological environment. With the "strategic westward shift" and cluster development of the coal mining industry, western mining areas have become the main areas for coal mining in my country. A large number of land subsidence areas will be accompanied by natural disasters such as surface cracking and landslides. Mining-induced ground fissures are highly harmful to mining areas and the damage to the ecological environment is difficult to repair. Therefore, there is an urgent need for a monitoring device for mining-induced ground fissures.
[0003] Currently, the monitoring device for ground fissures caused by mining is inconvenient to disassemble and assemble flexibly, and it is also inconvenient to pre-embed the probes before installation. It is also inconvenient to monitor multiple areas and is inconvenient for outdoor use. Utility Model Content
[0004] The purpose of this utility model is to provide a mining-induced ground fissure monitoring device to solve the problems mentioned in the background art, such as the inconvenience of flexible disassembly and assembly, the inconvenience of pre-embedding probes for installation, the inconvenience of multi-area monitoring, and the inconvenience of outdoor use.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a mining-induced ground fissure monitoring device, comprising a protective shell, an installation opening on one side of the protective shell, a fissure monitor disposed inside the installation opening, wiring terminals evenly arranged on one side of the protective shell, the wiring terminals being electrically connected to the fissure monitor, one end of a connecting wire being connected to the wiring terminal, and the other end of the connecting wire being connected to a fissure probe, the fissure probe being disposed inside the soil.
[0006] Preferably, the terminal block is provided with a protective cover, the inner wall of the mounting opening is provided with a protective door panel that is adapted to it, one side of the protective door panel is hinged to the mounting opening, the other side of the protective door panel is provided with a door handle, and the outside of the mounting opening is provided with a rain cover.
[0007] Preferably, one end of a telescopic link is uniformly connected to the bottom of the protective shell, the other end of the telescopic link is connected to a fitting base plate, one end of a shock-absorbing spring is uniformly connected to the bottom of the protective shell, the other end of the shock-absorbing spring is connected to the fitting base plate, and the shock-absorbing spring is sleeved on the outside of the telescopic link, and a fixed base plate is provided at the bottom of the fitting base plate.
[0008] Preferably, the top of the fixed base plate is provided with a connecting strip, and the bottom of the fitting base plate is provided with a connecting slot adapted to the connecting strip. The fixed base plate is connected and fixed to the fitting base plate by providing the connecting strip.
[0009] Preferably, the fixed base plate has four evenly spaced fixing bolts at the top corners, and the bottom of the fitting base plate has a fixing groove that matches the fixing bolts. The fixed base plate is connected and fixed to the fitting base plate by the fixing bolts.
[0010] Preferably, the fixed base plate is provided with fixing bolts at the four bottom corners, and the fixed base plate is connected and fixed to the ground by the fixing bolts.
[0011] Preferably, the top of the protective shell is provided with a portable handle.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. This mining-induced ground fissure monitoring device uses a protective casing to protect the fissure monitor, fixes the fissure probe deep in the soil, and connects the fissure probe to the terminal block via a connecting wire to facilitate the monitoring of mining-induced ground fissures. The fissure monitor is equipped with a remote control module for convenient remote monitoring. The protective cover protects the terminal block, the rain cover protects the installation opening, and the door handle facilitates the opening and closing of the protective door panel, making it convenient for outdoor monitoring.
[0014] 2. This ground fissure monitoring device features a portable handle that allows for easy lifting of the protective casing, facilitating the removal of the connecting wires and carrying the fissure monitor directly. This enables convenient monitoring of fissure data in different areas. The shock-absorbing springs effectively buffer and absorb vibrations generated by the device, improving support stability. The design incorporates connecting strips and slots, with the fixing bolts and slots forming a mortise and tenon structure to enhance installation stability. The fixing pins allow for easy and flexible fixing of the base plate to the ground, facilitating easy assembly and disassembly. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0016] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention;
[0017] Figure 3 This is a three-dimensional structural diagram of the fixed base plate of this utility model;
[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the interlocking base plate of this utility model.
[0019] In the diagram: 1. Protective housing; 2. Installation opening; 3. Crack monitor; 4. Wiring terminal; 5. Connecting wire; 6. Crack probe; 7. Protective cover; 8. Protective door panel; 9. Door handle; 10. Rain cover; 11. Portable handle; 12. Telescopic linkage; 13. Shock-absorbing spring; 14. Fitting base plate; 15. Fixed base plate; 16. Connecting clip; 17. Connecting slot; 18. Fixing bolt; 19. Fixing slot; 20. Fixing pin. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-4 This utility model provides a technical solution: a ground fissure monitoring device, including a protective shell 1, an installation opening 2 on one side of the protective shell 1, a fissure monitor 3 inside the installation opening 2, and terminals 4 evenly distributed on one side of the protective shell 1, the terminals 4 being electrically connected to the fissure monitor 3, one end of a connecting wire 5 connected to the terminals 4, the other end of the connecting wire 5 being connected to a fissure probe 6, the fissure probe 6 being disposed inside the soil, a protective cover 7 outside the terminals 4, and a protective door 8 adapted to the installation opening 2 on the inner wall of the installation opening 2, one side of the protective door 8 being... The hinge is fixed to the mounting opening 2. A door handle 9 is provided on the outer wall of the other side of the protective door panel 8. A rain cover 10 is provided on the outside of the mounting opening 2. The protective shell 1 is used to protect the crack monitoring instrument 3. The crack probe 6 is fixed deep in the soil. The crack probe 6 is electrically connected to the terminal 4 through the connecting wire 5 to facilitate the monitoring of ground cracks. The crack monitoring instrument 3 is equipped with a remote control module for convenient remote monitoring. The protective cover 7 is used to protect the terminal 4. The rain cover 10 is used to protect the mounting opening 2. The door handle 9 is used to open and close the protective door panel 8 for convenient outdoor monitoring.
[0022] The bottom of the protective housing 1 is uniformly connected to one end of a telescopic connecting rod 12, and the other end of the telescopic connecting rod 12 is connected to a fitting base plate 14. The bottom of the protective housing 1 is also uniformly connected to one end of a shock-absorbing spring 13, and the other end of the shock-absorbing spring 13 is connected to the fitting base plate 14. The shock-absorbing spring 13 is sleeved on the outside of the telescopic connecting rod 12. A fixed base plate 15 is provided at the bottom of the fitting base plate 14, and a connecting strip 16 is provided at the top of the fixed base plate 15. A connecting groove 17 adapted to the connecting strip 16 is provided at the bottom of the fitting base plate 14. The fixed base plate 15 is connected and fixed to the fitting base plate 14 by the connecting strip 16. Fixed bolts 18 are uniformly provided at the four corners of the top of the fixed base plate 15, and a fixing groove 19 adapted to the fixing bolts 18 is provided at the bottom of the fitting base plate 14. The fixed base plate 15... The base plate 15 is fixed to the ground by means of fixing bolts 18 and mounting base plate 14. Fixing bolts 20 are provided at the four corners of the bottom of the base plate 15. The base plate 15 is fixed to the ground by means of fixing bolts 20. The top of the protective shell 1 is provided with a portable handle 11, which makes it easy to lift the protective shell 1 directly and remove the connecting wire 5 to take the crack monitor 3 away, so as to facilitate the monitoring of crack data in different areas. The shock-absorbing spring 13 helps to buffer and absorb the vibration generated by the device, which helps to improve the stability of the support. By means of connecting strips 16 and connecting slots 17, the fixing bolts 18 and fixing slots 19 can easily form a tenon and mortise structure, which can improve the stability of the installation connection. The fixing bolts 20 can easily fix the base plate 15 to the ground, which is convenient for flexible disassembly and assembly.
[0023] Working Principle: First, the protective shell 1 protects the crack monitoring instrument 3, and the crack probe 6 is fixed deep in the soil. The crack probe 6 is electrically connected to the terminal 4 via the connecting wire 5, facilitating the monitoring of ground fissures. The crack monitoring instrument 3 is equipped with a remote control module for convenient remote monitoring. The protective cover 7 protects the terminal 4, the rain cover 10 protects the installation opening 2, and the door handle 9 facilitates the opening and closing of the protective door panel 8 for outdoor monitoring. The portable handle 11 allows the protective shell 1 to be lifted directly, making it easy to remove the connecting wire 5 and take the crack monitoring instrument 3 away for monitoring crack data in different areas. The shock-absorbing spring 13 helps to buffer and absorb the vibration generated by the device, improving the stability of the support. The connecting strip 16 and connecting groove 17, and the fixing bolt 18 and fixing groove 19 form a tenon and mortise structure to improve the stability of the installation connection. The fixing pin 20 easily fixes the fixing base plate 15 to the ground, facilitating flexible assembly and disassembly. This completes the operation process of a ground fissure monitoring device.
[0024] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A monitoring device for mining-induced ground fissures, characterized in that, The device includes a protective housing (1), with an installation opening (2) on one side. A crack monitor (3) is installed inside the installation opening (2). Terminal blocks (4) are evenly distributed on one side of the protective housing (1). The terminal blocks (4) are electrically connected to the crack monitor (3). One end of a connecting wire (5) is connected to the terminal blocks (4). The other end of the connecting wire (5) is connected to a crack probe (6). The crack probe (6) is installed inside the soil.
2. The monitoring device for mining-induced ground fissures according to claim 1, characterized in that: The terminal block (4) is provided with a protective cover (7) on the outside. The inner wall of the mounting opening (2) is provided with a protective door panel (8) that is compatible with it. One side of the protective door panel (8) is hinged to the mounting opening (2) by a hinge. The other side of the protective door panel (8) is provided with a door handle (9). The outside of the mounting opening (2) is provided with a rain cover (10).
3. The monitoring device for mining-induced ground fissures according to claim 1, characterized in that: The bottom of the protective shell (1) is uniformly connected to one end of a telescopic link (12), and the other end of the telescopic link (12) is connected to a fitting base plate (14). The bottom of the protective shell (1) is uniformly connected to one end of a shock-absorbing spring (13), and the other end of the shock-absorbing spring (13) is connected to the fitting base plate (14). The shock-absorbing spring (13) is sleeved on the outside of the telescopic link (12), and a fixed base plate (15) is provided at the bottom of the fitting base plate (14).
4. The monitoring device for mining-induced ground fissures according to claim 3, characterized in that: The top of the fixed base plate (15) is provided with a connecting strip (16), and the bottom of the fitting base plate (14) is provided with a connecting slot (17) that is compatible with the connecting strip (16). The fixed base plate (15) is connected and fixed to the fitting base plate (14) by providing the connecting strip (16).
5. The monitoring device for mining-induced ground fissures according to claim 3, characterized in that: The fixed base plate (15) is provided with fixed bolts (18) evenly arranged at the top four corners, and the bottom of the fitting base plate (14) is provided with a fixed slot (19) adapted to the fixed bolts (18). The fixed base plate (15) is connected and fixed to the fitting base plate (14) by setting the fixed bolts (18).
6. The mining-induced ground fissure monitoring device according to claim 3, characterized in that: The fixed base plate (15) is provided with four fixed bolts (20) at the bottom corners, and the fixed base plate (15) is connected and fixed to the ground by the fixed bolts (20).
7. The monitoring device for mining-induced ground fissures according to claim 1, characterized in that: The protective shell (1) is provided with a portable handle (11) on the top.